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    Method of producing a stainless steel sheet having excellent surface brightness
    1.
    发明授权
    Method of producing a stainless steel sheet having excellent surface brightness 失效
    表面亮度优异的不锈钢板的制造方法

    公开(公告)号：US5799527A

    公开(公告)日：1998-09-01

    申请号：US505949

    申请日：1995-07-24

    申请人： Kazuhito Kenmochi ,  Osamu Sonobe ,  Eisuke Kawazumi ,  Yoshikazu Seino ,  Takashi Akazawa ,  Kazusito Okada

    发明人： Kazuhito Kenmochi ,  Osamu Sonobe ,  Eisuke Kawazumi ,  Yoshikazu Seino ,  Takashi Akazawa ,  Kazusito Okada

    IPC分类号： B21B1/22 ,  B21B1/28 ,  B21B3/02 ,  B21B27/00 ,  C21D7/10 ,  C21D8/02 ,  B21B39/20

    CPC分类号： C21D8/0205 ,  B21B27/00 ,  B21B3/02 ,  C21D7/10 ,  B21B1/28 ,  B21B2267/10

    摘要： A method of producing a stainless steel produces steel sheets having excellent surface brightness. The method includes performing a cold rolling operation using a work roll having a Young's modulus between 25,000 to 70,000 kg/mm.sup.2 in one or more stands of a tandem mill having a plurality of stands. Preferably the work roll is composed of a tungsten carbide based hard metal alloy. The diameter of a work roll at a final stand of the tandem mill is equal to or smaller than a diameter of a work roll in the previous stand. It is preferable that the work roll is dimensioned to have a diameter between 150 mm to 400 mm. In addition, it is preferable that a cold rolling operation is achieved at a reduction between 25% to 60% reduction in the final stand of the tandem mill.

    摘要翻译： 不锈钢的制造方法生产出具有优异表面亮度的钢板。 该方法包括使用具有25,000至70,000kg / mm 2的杨氏模量的工作辊在具有多个支架的串列式轧机的一个或多个机架中进行冷轧操作。 优选地，工作辊由碳化钨基硬质合金构成。 在串列式轧机的最终机架处的工作辊的直径等于或小于在前一台中的工作辊的直径。 优选的是，工作辊的尺寸设定为具有150mm至400mm之间的直径。 此外，优选的是，在串联式轧机的最终机架减少25％至60％的压下率下实现冷轧操作。

    Compound roll for thin cold rolled steel strip and method of manufacturing same
    2.
    发明授权
    Compound roll for thin cold rolled steel strip and method of manufacturing same 失效
    薄冷轧钢带复合辊及其制造方法

    公开(公告)号：US06374494B1

    公开(公告)日：2002-04-23

    申请号：US09180672

    申请日：1998-11-13

    申请人： Osamu Sonobe ,  Hirotaka Kano ,  Kazuhito Kenmochi ,  Ikuo Yarita ,  Akihiko Fukuhara ,  Nobuaki Gamo

    发明人： Osamu Sonobe ,  Hirotaka Kano ,  Kazuhito Kenmochi ,  Ikuo Yarita ,  Akihiko Fukuhara ,  Nobuaki Gamo

    IPC分类号： B23P1500

    CPC分类号： B21B27/00 ,  B21B27/03 ,  B22F7/062 ,  B22F2998/10 ,  Y10T29/49554 ,  Y10T29/4956 ,  B22F3/04 ,  B22F3/15

    摘要： The present invention provides a composite roll for cold rolling capable of rolling a cold-rolled steel strip having little edge drop, a cold-rolled stainless steel strip or a bright finish steel strip having excellent surface brightness or a silicon steel strip excellent in magnetic properties without causing breakage of roll, which is a roll in which a sleeve is fitted at a surrounding of a shaft portion with the shaft portion as a central axis and its fabrication method, in which the sleeve is constituted by previously integrating a plurality of pieces of mold members divided by a face intersecting with the central axis of the roll. Further, this is a fit roll in which a sleeve member of an outermost layer is made of WC—Co series hard alloys having Young's modulus of 35000 kgf/mm or more and Co content of 12-50 weight % and is provided with a wall thickness of 3% or more of roll radius and a ratio L/D of a length L of a barrel of the sleeve to a diameter D of the roll falls in a range of 2-10. Further, when there are one layer or more of intermediate layers between the outermost layer of the sleeve and the shaft core, the intermediate layers are arranged such that Young's modulus of the layer on the outer side is larger than Young's modulus of the layer on the inner side.

    摘要翻译： 本发明提供一种用于冷轧的复合辊，其可以轧制具有很小边缘的冷轧钢带，冷轧不锈钢带或具有优异表面亮度的亮光精钢带或具有优异磁性能的硅钢带 不会导致辊的破裂，辊是以轴部作为中心轴的轴部的周围配置有套筒的方法，其中，套筒通过预先集成多个 模具构件除以与辊的中心轴线相交的面。 此外，这是最合适的辊的套筒构件，其中，最外层的套筒构件由具有35000kgf / mm以上的杨氏模量和12-50重量％的Co含量的WC-Co系列硬质合金制成，并且设置有壁 辊半径的3％以上的厚度和套筒的长度L与辊的直径D的比L / D落在2-10的范围内。 此外，当在套筒的最外层和轴芯之间存在一层以上的中间层时，中间层被布置成使得外侧的层的杨氏模量大于该层上的杨氏模量 内侧。

    CALIBRATION METHOD OF ULTRASONIC FLAW DETECTION AND QUALITY CONTROL METHOD AND PRODUCTION METHOD OF TUBULAR BODY
    4.
    发明申请
    CALIBRATION METHOD OF ULTRASONIC FLAW DETECTION AND QUALITY CONTROL METHOD AND PRODUCTION METHOD OF TUBULAR BODY 有权
    超声波检测的校准方法和质量控制方法及管体的生产方法

    公开(公告)号：US20100107725A1

    公开(公告)日：2010-05-06

    申请号：US12528975

    申请日：2007-05-18

    申请人： Yukinori Iizuka ,  Kazuhito Kenmochi ,  Hiroyasu Yokoyama ,  Tomohiro Inoue ,  Shigeto Sakashita

    发明人： Yukinori Iizuka ,  Kazuhito Kenmochi ,  Hiroyasu Yokoyama ,  Tomohiro Inoue ,  Shigeto Sakashita

    IPC分类号： G01N29/04

    CPC分类号： G01N29/30 ,  G01N29/11 ,  G01N2291/02854 ,  G01N2291/0289 ,  G01N2291/044 ,  G01N2291/2675

    摘要： An ultrasonic flaw detection is performed to a welded portion 2 of a pipe body 1, a defect detection threshold value is determined based on the signal intensity difference between the total area of the defects existing in the region of an ultrasonic beam on a welded surface and an artificial defect, and a quality control of the pipe body is performed based on the defect detection threshold value. An equivalent defect diameter is determined from the defect density on the welded surface of the welded portion of the pipe body in a pipe axis direction and the area of the ultrasonic beam on the welded surface based on the total area of the defects existing in the region of the ultrasonic beam, and the defect detection threshold value is determined based on the equivalent defect diameter and the signal intensity difference of the artificial defect.

    摘要翻译： 对管体1的焊接部2进行超声波探伤，根据存在于焊接面上的超声波束区域的缺陷的总面积与信号强度的差异，确定缺陷检测阈值， 基于缺陷检测阈值进行人造缺陷和管体的质量控制。 根据存在于该区域中的缺陷的总面积，从管轴方向的管体的焊接面的焊接面的缺陷密度和焊接面上的超声波束的面积确定等效的缺陷直径 ，并且基于人造缺陷的等效缺陷直径和信号强度差来确定缺陷检测阈值。

    ULTRASONIC FLAW DETECTION APPARATUS AND ULTRASONIC FLAW DETECTION METHOD FOR PIPE
    5.
    发明申请
    ULTRASONIC FLAW DETECTION APPARATUS AND ULTRASONIC FLAW DETECTION METHOD FOR PIPE 有权
    超声波检测装置及超声波检测方法

    公开(公告)号：US20100101326A1

    公开(公告)日：2010-04-29

    申请号：US12449744

    申请日：2007-05-18

    申请人： Yukinori Iizuka ,  Kazuhito Kenmochi ,  Hiroyasu Yokoyama ,  Tomohiro Inoue ,  Shigeto Sakashita

    发明人： Yukinori Iizuka ,  Kazuhito Kenmochi ,  Hiroyasu Yokoyama ,  Tomohiro Inoue ,  Shigeto Sakashita

    IPC分类号： G01N29/04

    CPC分类号： G01N29/12 ,  G01N29/043 ,  G01N29/262 ,  G01N2291/0289 ,  G01N2291/044 ,  G01N2291/106 ,  G01N2291/2634 ,  G01N2291/2675

    摘要： The present invention has a structure capable of detecting the scattered-type penetrator having oxides each with the size of several μm sparsely and widely dispersed. Specifically, the structure includes a wave transmission unit 6 for transmitting an ultrasonic wave to the welded surface of the welded portion 2 in a pipe axial direction of the pipe 1 such that the beam width of a transmission beam 8 is brought into a range from 0.5 mm to 2.5 mm, and a wave reception unit 7 for receiving at least a portion of the reflection wave (reception beam 9) at the welded surface. The wave transmission unit 6 and the wave reception unit 7 include transmission/reception units formed of different groups of transducer elements on at least one or more array probes 5 arranged in the circumferential direction of the pipe.

    摘要翻译： 本发明具有能够检测具有疏散且广泛分散的几μm的尺寸的氧化物的散射型穿透器的结构。 具体地，该结构包括：波导传输单元6，用于在管1的管轴方向上向焊接部2的焊接面发送超声波，使得透射束8的光束宽度为0.5 以及用于在焊接面处接收反射波（接收光束9）的至少一部分的波接收部7。 波发送单元6和波接收单元7包括在沿管道的周向布置的至少一个或多个阵列探针5上由不同组的换能器元件形成的发送/接收单元。

    Rolling method and rolling mill of strip for reducing edge drop
    6.
    发明授权
    Rolling method and rolling mill of strip for reducing edge drop 失效
    钢带轧制方法和轧机减少边缘下降

    公开(公告)号：US5875663A

    公开(公告)日：1999-03-02

    申请号：US895609

    申请日：1997-07-16

    申请人： Junichi Tateno ,  Kazuhito Kenmochi ,  Ikuo Yarita ,  Hisao Imai ,  Tomohiro Kaneko ,  Yasuhiro Yamada ,  Toshihiro Fukaya

    发明人： Junichi Tateno ,  Kazuhito Kenmochi ,  Ikuo Yarita ,  Hisao Imai ,  Tomohiro Kaneko ,  Yasuhiro Yamada ,  Toshihiro Fukaya

    IPC分类号： B21B31/18 ,  B21B37/28 ,  B21B37/40 ,  B21B37/68

    CPC分类号： B21B37/40 ,  B21B37/28 ,  B21B31/185

    摘要： It is possible, in a rolling method of a strip shifting one-side-tapered work rolls in the axial direction and causing the upper and the lower work rolls to cross each other, to appropriately set a quantity of shift and a crossing angle and to improve an edge drop satisfactorily, by utilizing the relationship of the three factors including the quantity of shift and the crossing angle for determining quantities of operation necessary to correcting an edge drop of the strip and the quantity of correction of edge drop corresponding to these quantities of operation in the form of the relationship between the roll gap between the upper and the lower work rolls and the quantity of correction of edge drop, by providing an effective roll gap reference position apart from the strip edge by a prescribed distance.

    摘要翻译： 可以在使一侧锥形工作辊沿轴向移动并使上下工作辊彼此交叉的轧制方法中，适当地设定换档量和交叉角度，并且 通过利用包括移动量和交叉角的三个因素的关系来确定边缘下降，以确定校正边缘的边缘下降所必需的操作量以及对应于这些量的边缘下降量的修正量 通过提供一个有效的辊间隙基准位置与带边缘分开预定距离，以上下工作辊之间的辊间隙与边缘下降量的关系的形式进行操作。